Warren Buffett finally joins Twitter

Philanthropist gains 1,000 followers per minute

The billionaire philanthropist's first tweet, "Warren is in the house," was sent via his new account, @WarrenBuffett.

Within just 45 minutes, the 82-year-old Buffett picked up more than 45,000 followers. After 5 hours, he already had 174,633 followers. A few hours after his first tweet, he also tweeted about his "new essay on why women are key to America’s prosperity."